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<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>

        // let obj = {};

        // //为 obj 添加 title 属性
        // let name = 'title';
        // // obj.title = '今天又是一个晴天';
        // obj[name] = '天气不错';


        let name = 'title';
        let obj = {
            [name]: '天气不错'
        }

        console.log(obj);
        
    </script>
</body>
</html>